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lisasiler
New User
Mar 11, 2013, 4:31 PM
Post #1 of 6
(1883 views)
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my car won't statt
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My car is a 93 Toyota Corolla 1.4
My car won't start. We started my car and not even ten seconds later the car shut off. We thought it was the fuel pump, we did check it and it is working fine!!! We now think that it may be the engine relay or the fuel relay but we can not locate it . Can you please tell us where they are........
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Hammer Time
Ultimate Carjunky
/ Moderator
Mar 11, 2013, 4:41 PM
Post #2 of 6
(1860 views)
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Re: my car won't statt
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All "crank, no start" conditions are approached in the same way. Every engine requires certain functions to be able to run. Some of these functions rely on specific components to work and some components are part of more than one function so it is important to see the whole picture to be able to conclude anything about what may have failed. Also, these functions can ONLY be tested during the failure. Any other time and they will simply test good because the problem isn't present at the moment.
If you approach this in any other way, you are merely guessing and that only serves to replace unnecessary parts and wastes money.
Every engine requires spark, fuel and compression to run. That's what we have to look for.
These are the basics that need to be tested and will give us the info required to isolate a cause.
1) Test for spark at the plug end of the wire using a spark tester. If none found, check for power supply on the + terminal of the coil with the key on.
2) Test for injector pulse using a small bulb called a noid light. If none found, check for power supply at one side of the injector with the key on.
3) Use a fuel pressure gauge to test for correct fuel pressure, also noticing if the pressure holds when key is shut off.
4) If all of these things check good, then you would need to do a complete compression test.
Once you have determined which of these functions has dropped out,
you will know which system is having the problem.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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pantherl142
Novice
Mar 14, 2013, 9:28 AM
Post #3 of 6
(1739 views)
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Re: my car won't statt
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Poor advice deleted
(This post was edited by Hammer Time on Mar 14, 2013, 9:35 AM)
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Hammer Time
Ultimate Carjunky
/ Moderator
Mar 14, 2013, 9:37 AM
Post #4 of 6
(1732 views)
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Re: my car won't statt
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Pantherl142, this site is staffed by professional technicians. Do not contradict us with bad advice.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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pantherl142
Novice
Mar 14, 2013, 9:41 AM
Post #5 of 6
(1721 views)
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Re: my car won't statt
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sorry, new on here and was just giving some advice based on what i know...sorry
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Hammer Time
Ultimate Carjunky
/ Moderator
Mar 14, 2013, 10:17 AM
Post #6 of 6
(1718 views)
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Re: my car won't statt
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We tell people to use a fuel pressure gauge for a reason. Having some pressure at the schraeder means nothing at all and can send you in the wrong direction for hours.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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